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								<a>北大概况</a>
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						<h1>北大要闻</h1>
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							<p>北京大学春季学期线上开课</p>
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								<li class="box10-1">北大英雄，榜上有名！北京大学援鄂国家医疗队离汉抵京</li>
								<li class="box10-2">北京大学举行清明哀悼活动</li>
								<li class="box10-3">社会学系组织开展学习习近平总书记回信精神专题活动</li>
								<li class="box10-4">北京大学校务数据服务平台开通试运营</li>
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								<li class="box11-1">北京大学召开近期工作部署</li>
								<li class="box11-2">分享中国经验 北大推出阿拉伯文版抗疫文献</li>
								<li class="box11-3">云思政丨“一线聚焦”微观察（第二辑）：透过抗疫，读懂中国制造优势</li>
								<li class="box11-4">战“疫”故事丨蒋泽茹：连上北大VPN，哪里都是实验室</li>
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									<p>今日有<font color="#000000">0</font>条消息</p>
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									<P>进入新闻网</P>
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								<h4>教学科研</h4>
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									<b>信息学院电子系教授陈清教授课题组在湿法化学刻蚀研究中取得重要进展 </b>
									<p>课题组借助自主研发的单面刻蚀工艺（用来制备原位研究用的样品）和原位液体透射电子显微学方法，
									在透射电镜中原位实时研究了氧化锌纳米带的
									<br>（000-1）氧面在电子束辐照下的水中的湿法化学刻蚀过程。
									与此同时，课题组还在原位液体电镜实验中观察到湿法化学刻蚀的微掩膜..</p>
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								<h5>媒体北大</h5>
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										<p>中央电视台</p>
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										<p>北京大学支援武汉医疗队今日撤离武汉</p>
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										<p>人民日报</p>
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										<p>北大原创MV:最美的相约</p>
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									<p>通知公告</p>
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									<p>北大声明</p>
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								<h1></h1>
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										<ul><font color="#8C0000">
											<li class="box13cc-1-1"><font size="3" color="">03-05 . </font><font size="2" color="">2020</font></li>
											<li class="box13cc-1-2"><font size="3" color="">02-09 . </font><font size="2" color="">2020</font></li>
											<li class="box13cc-1-3"><font size="3" color="">01-29 . </font><font size="2" color="">2020</font></li>
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											<li class="box13cc-2-1">关于“北京大学书画艺术研究院”有关情况的声明</li>
											<li class="box13cc-2-2">北京大学疫情防控期间在线教学服务保障工作联系方式</li>
											<li class="box13cc-2-3">关于为全校提供桌面视频会议服务的通知</li>
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									<img src="imgages/11.png" width="50" height="50" class="box14a1-1">
									<div class="box14a-1-1">初心 使命</div>
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								<div class="box14a-2">
									<div class="box14a-2-1">柴生芳：用忠诚热血诠释使命担当</div>
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									<img src="imgages/22.png"width="50" height="50" class="box14b1-1">
									<div class="box14b-1-1">箐箐校园</div>
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									<div class="box14b-2-2">让青春在党和人民最需要的地方绽放绚丽之</div>
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									<div class="box14c-1-1">北大史宛</div>
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									<img src="imgages/44.png" width="50" height="50">
									<div class="box14c-2-1">马文昭（1886—1965）河北保定人</div>
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							<img src="imgages/9.11-1.png" width="50" height="50"  class="box15-1-1">
							<div class="box15-1-2">专题网站</div>
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							<img src="imgages/9.11-2.jpg" width="182" height="120" class="poto1">
							<div class="boxbottom1">"不忘初心，牢记使命"主题</div>
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						<div class="box15-3">
							<img src="imgages/9.11-3.jpg"width="182" height="120" class="poto2">
							<div class="boxbottom2">众志成城 抗击疫情</div>
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							<img src="imgages/9.11-4.jpg" width="182" height="120" class="poto3">
							<div class="boxbottom3">这里视北大</div>
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							<img src="imgages/9.11-5.jpg" width="182" height="120" class="poto4">
							<div class="boxbottom4">新时代 新青年</div>
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							<img src="imgages/9.11-6.jpg" width="182" height="120" class="poto5">
							<div class="boxbottom5">思政热点面对面</div>
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							<div class="boxfoot1">信息公开</div>
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							<div class="boxfoot2">党代表热线</div>
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							<div class="boxfoot3">校园地图</div>
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							<div class="boxfoot4">图书馆</div>
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								<div class="f3">慕课</div>
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							<p class="box19-1-1">版权所有©北京大学</p>
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							<p class="box19-2-1">地址：北京市海淀区颐和园路5号</p>
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							<p class="box19-3-1">邮编：100871</p>
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